Explore topic-wise MCQs in Discrete Mathematics.

This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Discrete Mathematics knowledge and support exam preparation. Choose a topic below to get started.

1.

If the sum of elements in each row of an n n matrix Z is zero, then the matrix is ______________

A. inverse
B. non-singular
C. additive inverse
D. singular
Answer» E.
2.

If A, B, and C are invertible matrices, the expression (AB-1)-1(CA-1)-1C2 evaluates to ____________

A. BC
B. C<sup>-1</sup>BC
C. AB<sup>-1</sup>
D. C<sup>-1</sup>B
Answer» B. C<sup>-1</sup>BC